Shoe upper



FIG. 1 is a front perspective view of a shoe upper in accordance with my new design.

FIG. 2 is a right side view of the shoe upper shown in FIG. 1;

FIG. 3 is a left side view of the shoe upper shown in FIG. 1; and,

FIG. 4 is a top view of the shoe upper shown in FIG. 1.

The broken lines shown in the drawings represent portions of the shoe upper that form no part of the claimed design. 

CLAIM The ornamental design for a shoe upper, as shown and described. 